Is your appearance as the game progresses linked to your performance

I'm currently playing through Arkham Asylum and having quite a blast.

As I'm playing I've noticed that Batman looks increasingly worse as the game progresses, which is no surprise considering all the punishment he has to endure. What I was wondering, however, is if this degradation is in any way related to your in-game performance, or if it is just a matter of how far along into the game you are (while some damage to your suit seems directly related to things that happen in cut-scenes, I also get beat up quite a bit from time to time).